code: def __init__(self, name):
      self.name = name
      self.call = 0
      self.cpu_time = 0
      self.gpu_time = 0
      self.max_cpu_time = 0
      self.min_cpu_time = float("inf")
      self.max_gpu_time = 0
      self.min_gpu_time = float("inf")
      self.devices = {}
      self.operator_inners = {}
      self.general_gpu_time = 0
      self.min_general_gpu_time = float("inf")
      self.max_general_gpu_time = 0
  
file_path: VisualDL/visualdl/component/profiler/parser/operator_parser.py
imports: import collections
  from .kernel_parser import DeviceItem
  from .utils import wrap_tree
label_desc: Use image node_id 1 to create a new OperatorItem object  with example: obj = OperatorItem(name)